Nobody goes to Iraq-war movies. Four or five years ago, at the height of the insurgency, that was because there were no Iraq-war movies. (Vietnam, while it raged, suffered the same Hollywood blackout.) But even when some directors grew a spine and attempted to dramatize the effects of the American adventure on its soldiers (In the Valley of Elah) and civilians (Lions for Lambs) or on U.S. foreign policy (Rendition), the response was tepid. No Middle East war film has earned even $50 million at the domestic box office, and the one that came closest, The Kingdom, was a...